10 C.F.R. § 39.49

Uranium sinker bars.

Last amended: 2016Year: 2026Length: 38 wordsOfficial source

Cite as 10 C.F.R. § 39.49 (2026)

The licensee may use a uranium sinker bar in well logging applications only if it is legibly impressed with the words “CAUTION—RADIOACTIVE-DEPLETED URANIUM” and “NOTIFY CIVIL AUTHORITIES (or COMPANY NAME) IF FOUND.” [65 FR 20345, Apr. 17, 2000]
10 C.F.R. § 39.49: Uranium sinker bars. | Justis AI